US5676536A - Raw gas burner and process for burning oxygenic constituents in process gas - Google Patents
Raw gas burner and process for burning oxygenic constituents in process gas Download PDFInfo
- Publication number
- US5676536A US5676536A US08/532,209 US53220995A US5676536A US 5676536 A US5676536 A US 5676536A US 53220995 A US53220995 A US 53220995A US 5676536 A US5676536 A US 5676536A
- Authority
- US
- United States
- Prior art keywords
- burner
- fuel
- process gas
- combustion
- combustion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/102—Arrangement of sensing devices for pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/20—Waste supply
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/532,209 US5676536A (en) | 1994-12-15 | 1995-11-13 | Raw gas burner and process for burning oxygenic constituents in process gas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/356,601 US5601789A (en) | 1994-12-15 | 1994-12-15 | Raw gas burner and process for burning oxygenic constituents in process gas |
US08/532,209 US5676536A (en) | 1994-12-15 | 1995-11-13 | Raw gas burner and process for burning oxygenic constituents in process gas |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/356,601 Division US5601789A (en) | 1994-12-15 | 1994-12-15 | Raw gas burner and process for burning oxygenic constituents in process gas |
Publications (1)
Publication Number | Publication Date |
---|---|
US5676536A true US5676536A (en) | 1997-10-14 |
Family
ID=23402137
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/356,601 Expired - Fee Related US5601789A (en) | 1994-12-15 | 1994-12-15 | Raw gas burner and process for burning oxygenic constituents in process gas |
US08/532,209 Expired - Fee Related US5676536A (en) | 1994-12-15 | 1995-11-13 | Raw gas burner and process for burning oxygenic constituents in process gas |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/356,601 Expired - Fee Related US5601789A (en) | 1994-12-15 | 1994-12-15 | Raw gas burner and process for burning oxygenic constituents in process gas |
Country Status (8)
Country | Link |
---|---|
US (2) | US5601789A (en) |
EP (1) | EP0717239B1 (en) |
AT (1) | ATE199280T1 (en) |
CZ (1) | CZ293521B6 (en) |
DE (1) | DE69520136T2 (en) |
HU (1) | HUT74544A (en) |
PL (1) | PL311860A1 (en) |
ZA (1) | ZA9510723B (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6736635B1 (en) * | 1999-11-02 | 2004-05-18 | Ebara Corporation | Combustor for exhaust gas treatment |
US20050271988A1 (en) * | 2000-10-02 | 2005-12-08 | Tetsuo Komai | Combustion type waste gas treatment system |
FR2877714A1 (en) * | 2004-11-09 | 2006-05-12 | Michel Foa | Air treating device for eliminating e.g. odor nuisance, has inlet for polluted air which is compressed in compression chamber and mixed with fuel to be naturally directed towards exhaust system for thermal oxidation across flame arresters |
US20070042302A1 (en) * | 2005-08-19 | 2007-02-22 | Aga Ab | Method and arrangement for monitoring a burner |
US20070275335A1 (en) * | 2006-05-25 | 2007-11-29 | Giang Biscan | Furnace for heating particles |
US20080216817A1 (en) * | 2007-03-06 | 2008-09-11 | Yungbluth Christian M | Charbroiler with Even Heat Distribution |
US7651563B2 (en) | 2002-08-23 | 2010-01-26 | James Hardie Technology Limited | Synthetic microspheres and methods of making same |
US7658794B2 (en) | 2000-03-14 | 2010-02-09 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
US7744689B2 (en) | 2005-02-24 | 2010-06-29 | James Hardie Technology Limited | Alkali resistant glass compositions |
US7897534B2 (en) | 2003-10-29 | 2011-03-01 | James Hardie Technology Limited | Manufacture and use of engineered carbide and nitride composites |
US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
US20120028201A1 (en) * | 2010-07-30 | 2012-02-02 | General Electric Company | Subsurface heater |
US8609244B2 (en) | 2005-12-08 | 2013-12-17 | James Hardie Technology Limited | Engineered low-density heterogeneous microparticles and methods and formulations for producing the microparticles |
US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
US11353211B2 (en) * | 2018-04-09 | 2022-06-07 | Gas Technology Institute | High turndown ratio gaseous fuel burner nozzle and control |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19808819A1 (en) * | 1998-03-03 | 1999-09-09 | Utec Luftreinigung & Waermerue | Combustion kiln for furnace exhaust gases containing organic matter |
US6027335A (en) | 1999-02-03 | 2000-02-22 | Griffioen; Robert Howard | Pilot assembly |
US6162048A (en) * | 1999-06-04 | 2000-12-19 | Robert Howard Griffioen | Dual orifice pilot assembly |
US6651357B2 (en) * | 2001-01-12 | 2003-11-25 | Megtec Systems, Inc. | Web dryer with fully integrated regenerative heat source and control thereof |
US6758150B2 (en) * | 2001-07-16 | 2004-07-06 | Energy Associates International, Llc | System and method for thermally reducing solid and liquid waste and for recovering waste heat |
US20090146108A1 (en) * | 2003-08-25 | 2009-06-11 | Amlan Datta | Methods and Formulations for Producing Low Density Products |
US8784096B2 (en) | 2009-09-29 | 2014-07-22 | Honeywell International Inc. | Low NOx indirect fire burner |
JP6756636B2 (en) * | 2017-02-16 | 2020-09-16 | パーパス株式会社 | Premixer, heat source device and hot water supply device |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3549333A (en) * | 1968-07-23 | 1970-12-22 | Universal Oil Prod Co | Recuperative form of direct thermal incinerator |
US3806322A (en) * | 1972-06-29 | 1974-04-23 | Universal Oil Prod Co | Recuperative form of catalytic-thermal incinerator |
US3838975A (en) * | 1973-05-18 | 1974-10-01 | Universal Oil Prod Co | Thermal incinerator with heat recuperation |
DE2352204A1 (en) * | 1973-10-18 | 1975-04-30 | Katalytische Lufttechnik Betz | COMBUSTION CHAMBER WITH INTEGRATED HEAT EXCHANGER AND PROCESS FOR THE COMBUSTION OF NUFFLES IN EXHAUST GASES |
US3898040A (en) * | 1972-06-29 | 1975-08-05 | Universal Oil Prod Co | Recuperative form of thermal-catalytic incinerator |
DE3043286A1 (en) * | 1980-04-14 | 1981-10-22 | Katec, Katalytische Lufttechnik Betz Gmbh & Co, 6467 Hasselroth | Waste gas noxious substances burner - has axially-adjustable ring baffle on burner-projection entering into mixing zone inlet |
US4334854A (en) * | 1977-06-29 | 1982-06-15 | Smit Ovens Nijmegen B.V. | Method of controlling the combustion of liquid fuel |
US4364724A (en) * | 1978-06-02 | 1982-12-21 | Forenade Farbiksverken | Method and apparatus for dosing an air-fuel mixture in burners having evaporating tubes |
US4365951A (en) * | 1980-06-13 | 1982-12-28 | Jan Alpkvist | Device for combustion of a volatile fuel with air |
US4444735A (en) * | 1982-09-15 | 1984-04-24 | The Air Preheater Company, Inc. | Thermal oxidizer and method for operating same |
DE3332070A1 (en) * | 1983-09-06 | 1985-03-28 | Wilhelm 8800 Ansbach Buschack | Automatic heating appliance and after-burning of exhaust gas |
US4850857A (en) * | 1985-09-10 | 1989-07-25 | Katec Betz Gmbh & Co. | Apparatus for the combustion of oxidizable substances suspended in a carrier gas |
CA2037864A1 (en) * | 1990-03-10 | 1991-09-11 | Ernst Wirl | Apparatus for the combustion of pollutants carried in a waste gas flow |
US5333395A (en) * | 1992-08-07 | 1994-08-02 | Vits Maschinenbau Gmbh | Drying apparatus |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859786A (en) * | 1972-05-25 | 1975-01-14 | Ford Motor Co | Combustor |
US3852021A (en) * | 1973-11-05 | 1974-12-03 | Gen Motors Corp | Internal recirculation burner |
CH589255A5 (en) * | 1974-05-14 | 1977-06-30 | Boehler Zenkner Stroemtech | After burner for gaseous effluent - produces flame of large surface area around which waste ducts concentrically and separates into fine streams |
US3985494A (en) * | 1975-06-26 | 1976-10-12 | Howe-Baker Engineers, Inc. | Waste gas burner assembly |
US4082495A (en) * | 1976-02-17 | 1978-04-04 | Denis Lefebvre | Flame retention head assembly |
US4154567A (en) * | 1977-01-07 | 1979-05-15 | Continental Carbon Company | Method and apparatus for the combustion of waste gases |
US4374637A (en) * | 1978-10-31 | 1983-02-22 | Zwick Energy Research Organization, Inc. | Burner construction |
US4373896A (en) * | 1978-10-31 | 1983-02-15 | Zwick Eugene B | Burner construction |
US5183646A (en) * | 1989-04-12 | 1993-02-02 | Custom Engineered Materials, Inc. | Incinerator for complete oxidation of impurities in a gas stream |
DE9306924U1 (en) * | 1993-05-07 | 1993-12-16 | Grace Gmbh | Device for burning oxidizable components in a carrier gas to be cleaned |
-
1994
- 1994-12-15 US US08/356,601 patent/US5601789A/en not_active Expired - Fee Related
-
1995
- 1995-11-13 US US08/532,209 patent/US5676536A/en not_active Expired - Fee Related
- 1995-12-15 AT AT95309142T patent/ATE199280T1/en not_active IP Right Cessation
- 1995-12-15 EP EP95309142A patent/EP0717239B1/en not_active Expired - Lifetime
- 1995-12-15 ZA ZA9510723A patent/ZA9510723B/en unknown
- 1995-12-15 HU HU9503617A patent/HUT74544A/en unknown
- 1995-12-15 CZ CZ19953331A patent/CZ293521B6/en not_active IP Right Cessation
- 1995-12-15 DE DE69520136T patent/DE69520136T2/en not_active Expired - Fee Related
- 1995-12-15 PL PL95311860A patent/PL311860A1/en unknown
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3549333A (en) * | 1968-07-23 | 1970-12-22 | Universal Oil Prod Co | Recuperative form of direct thermal incinerator |
US3806322A (en) * | 1972-06-29 | 1974-04-23 | Universal Oil Prod Co | Recuperative form of catalytic-thermal incinerator |
US3898040A (en) * | 1972-06-29 | 1975-08-05 | Universal Oil Prod Co | Recuperative form of thermal-catalytic incinerator |
US3838975A (en) * | 1973-05-18 | 1974-10-01 | Universal Oil Prod Co | Thermal incinerator with heat recuperation |
DE2352204A1 (en) * | 1973-10-18 | 1975-04-30 | Katalytische Lufttechnik Betz | COMBUSTION CHAMBER WITH INTEGRATED HEAT EXCHANGER AND PROCESS FOR THE COMBUSTION OF NUFFLES IN EXHAUST GASES |
US4334854A (en) * | 1977-06-29 | 1982-06-15 | Smit Ovens Nijmegen B.V. | Method of controlling the combustion of liquid fuel |
US4364724A (en) * | 1978-06-02 | 1982-12-21 | Forenade Farbiksverken | Method and apparatus for dosing an air-fuel mixture in burners having evaporating tubes |
DE3043286A1 (en) * | 1980-04-14 | 1981-10-22 | Katec, Katalytische Lufttechnik Betz Gmbh & Co, 6467 Hasselroth | Waste gas noxious substances burner - has axially-adjustable ring baffle on burner-projection entering into mixing zone inlet |
US4365951A (en) * | 1980-06-13 | 1982-12-28 | Jan Alpkvist | Device for combustion of a volatile fuel with air |
US4444735A (en) * | 1982-09-15 | 1984-04-24 | The Air Preheater Company, Inc. | Thermal oxidizer and method for operating same |
DE3332070A1 (en) * | 1983-09-06 | 1985-03-28 | Wilhelm 8800 Ansbach Buschack | Automatic heating appliance and after-burning of exhaust gas |
US4850857A (en) * | 1985-09-10 | 1989-07-25 | Katec Betz Gmbh & Co. | Apparatus for the combustion of oxidizable substances suspended in a carrier gas |
CA2037864A1 (en) * | 1990-03-10 | 1991-09-11 | Ernst Wirl | Apparatus for the combustion of pollutants carried in a waste gas flow |
US5333395A (en) * | 1992-08-07 | 1994-08-02 | Vits Maschinenbau Gmbh | Drying apparatus |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7112060B2 (en) | 1999-11-02 | 2006-09-26 | Ebara Corporation | Burner for treating waste gas |
US20040191142A1 (en) * | 1999-11-02 | 2004-09-30 | Ebara Corporation | Burner for treating waste gas |
US6736635B1 (en) * | 1999-11-02 | 2004-05-18 | Ebara Corporation | Combustor for exhaust gas treatment |
US8603239B2 (en) | 2000-03-14 | 2013-12-10 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
US8182606B2 (en) | 2000-03-14 | 2012-05-22 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
US7658794B2 (en) | 2000-03-14 | 2010-02-09 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
US7727329B2 (en) | 2000-03-14 | 2010-06-01 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
US20050271988A1 (en) * | 2000-10-02 | 2005-12-08 | Tetsuo Komai | Combustion type waste gas treatment system |
US7607914B2 (en) | 2000-10-02 | 2009-10-27 | Ebara Corporation | Combustion type waste gas treatment system |
US7878026B2 (en) | 2002-08-23 | 2011-02-01 | James Hardie Technology Limited | Synthetic microspheres and methods of making same |
US7651563B2 (en) | 2002-08-23 | 2010-01-26 | James Hardie Technology Limited | Synthetic microspheres and methods of making same |
US7666505B2 (en) | 2002-08-23 | 2010-02-23 | James Hardie Technology Limited | Synthetic microspheres comprising aluminosilicate and methods of making same |
US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
US7897534B2 (en) | 2003-10-29 | 2011-03-01 | James Hardie Technology Limited | Manufacture and use of engineered carbide and nitride composites |
US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
FR2877714A1 (en) * | 2004-11-09 | 2006-05-12 | Michel Foa | Air treating device for eliminating e.g. odor nuisance, has inlet for polluted air which is compressed in compression chamber and mixed with fuel to be naturally directed towards exhaust system for thermal oxidation across flame arresters |
US7744689B2 (en) | 2005-02-24 | 2010-06-29 | James Hardie Technology Limited | Alkali resistant glass compositions |
US20070042302A1 (en) * | 2005-08-19 | 2007-02-22 | Aga Ab | Method and arrangement for monitoring a burner |
US8609244B2 (en) | 2005-12-08 | 2013-12-17 | James Hardie Technology Limited | Engineered low-density heterogeneous microparticles and methods and formulations for producing the microparticles |
US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
US20070275335A1 (en) * | 2006-05-25 | 2007-11-29 | Giang Biscan | Furnace for heating particles |
US20080216817A1 (en) * | 2007-03-06 | 2008-09-11 | Yungbluth Christian M | Charbroiler with Even Heat Distribution |
CN102410008A (en) * | 2010-07-30 | 2012-04-11 | 通用电气公司 | Subsurface heater |
US20120028201A1 (en) * | 2010-07-30 | 2012-02-02 | General Electric Company | Subsurface heater |
US11353211B2 (en) * | 2018-04-09 | 2022-06-07 | Gas Technology Institute | High turndown ratio gaseous fuel burner nozzle and control |
Also Published As
Publication number | Publication date |
---|---|
US5601789A (en) | 1997-02-11 |
PL311860A1 (en) | 1996-06-24 |
ZA9510723B (en) | 1996-07-10 |
EP0717239B1 (en) | 2001-02-21 |
DE69520136D1 (en) | 2001-03-29 |
EP0717239A3 (en) | 1997-03-26 |
ATE199280T1 (en) | 2001-03-15 |
CZ333195A3 (en) | 1997-02-12 |
DE69520136T2 (en) | 2001-07-19 |
CZ293521B6 (en) | 2004-05-12 |
HUT74544A (en) | 1997-01-28 |
HU9503617D0 (en) | 1996-03-28 |
EP0717239A2 (en) | 1996-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: THERMAL EMISSION CONTROL SYSTEMS, INC., WISCONSIN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:W.R. GRACE & CO.-CONN.;REEL/FRAME:008820/0146 Effective date: 19970829 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
AS | Assignment |
Owner name: LEHMAN COMMERCIAL PAPER, INC., NEW YORK Free format text: GUARANTEE AND COLLATERAL AGREEMENT;ASSIGNOR:MEGTEC SYSTEMS, INC.;REEL/FRAME:020525/0827 Effective date: 20071203 |
|
AS | Assignment |
Owner name: MEGTEC SYSTEMS, INC., WISCONSIN Free format text: CHANGE OF NAME;ASSIGNOR:THERMAL EMMISSION CONTROL SYSTEMS, INC.;REEL/FRAME:021570/0018 Effective date: 19970909 |
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AS | Assignment |
Owner name: MEGTEC SYSTEMS AB, WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MEGTEC SYSTEMS, INC., WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MEGTEC SYSTEMS AUSTRALIA, INC., WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MTS ASIA, INC., WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: SEQUA GMBH & CO., WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MEGTEC SYSTEMS, S.A.S., WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MEGTEC SYSTEMS KG, WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 Owner name: MEGTEC SYSTEMS AMAL AB, WISCONSIN Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021630/0602 Effective date: 20080924 |
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AS | Assignment |
Owner name: MEGTEC SYSTEMS, INC., WISCONSIN Free format text: TERMINATION OF SECURITY INTEREST IN PATENTS AT REEL/FRAME NOS. 20525/0827 AND 20571/0001;ASSIGNOR:LEHMAN COMMERCIAL PAPER, INC.;REEL/FRAME:021617/0548 Effective date: 20080924 |
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AS | Assignment |
Owner name: MEGTEC SYSTEMS, INC., WISCONSIN Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE THE CONVEYING PARTY IN THE COVER SHEET IS MISSPELLED, THERMAL EMMISSION CONTROL SYSTEMS, INC. PREVIOUSLY RECORDED ON REEL 021570 FRAME 0018;ASSIGNOR:THERMAL EMISSION CONTROL SYSTEMS, INC.;REEL/FRAME:021679/0281 Effective date: 19970909 |
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AS | Assignment |
Owner name: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT, NO Free format text: SECURITY AGREEMENT;ASSIGNOR:MEGTEC SYSTEMS, INC.;REEL/FRAME:021719/0141 Effective date: 20080924 |
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REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20091014 |
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AS | Assignment |
Owner name: MEGTEC SYSTEMS, INC., WISCONSIN Free format text: TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT AND TRADEMARK RIGHTS;ASSIGNOR:BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT;REEL/FRAME:027430/0112 Effective date: 20111216 |